x86: move e820_mark_nosave_regions to e820.c

[deliverable/linux.git] / arch / x86 / kernel / e820_64.c

diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c
index 3b2e0b1bb49b65a76234c79512b625cefc9abe9a..5e063e72b24a10c38b2c627bd1e8a9129da9810c 100644 (file)
--- a/arch/x86/kernel/e820_64.c
+++ b/arch/x86/kernel/e820_64.c
@@ -17,7 +17,6 @@
 #include <linux/kexec.h>
 #include <linux/module.h>
 #include <linux/mm.h>
-#include <linux/suspend.h>
 #include <linux/pfn.h>
 #include <linux/pci.h>
 
@@ -93,37 +92,6 @@ void __init e820_reserve_resources(void)
        }
 }
 
-/*
- * Find the ranges of physical addresses that do not correspond to
- * e820 RAM areas and mark the corresponding pages as nosave for software
- * suspend and suspend to RAM.
- *
- * This function requires the e820 map to be sorted and without any
- * overlapping entries and assumes the first e820 area to be RAM.
- */
-void __init e820_mark_nosave_regions(void)
-{
-       int i;
-       unsigned long paddr;
-
-       paddr = round_down(e820.map[0].addr + e820.map[0].size, PAGE_SIZE);
-       for (i = 1; i < e820.nr_map; i++) {
-               struct e820entry *ei = &e820.map[i];
-
-               if (paddr < ei->addr)
-                       register_nosave_region(PFN_DOWN(paddr),
-                                               PFN_UP(ei->addr));
-
-               paddr = round_down(ei->addr + ei->size, PAGE_SIZE);
-               if (ei->type != E820_RAM)
-                       register_nosave_region(PFN_UP(ei->addr),
-                                               PFN_DOWN(paddr));
-
-               if (paddr >= (end_pfn << PAGE_SHIFT))
-                       break;
-       }
-}
-
 /*
  * Finds an active region in the address range from start_pfn to last_pfn and
  * returns its range in ei_startpfn and ei_endpfn for the e820 entry.